2765889

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 4676672

約数和(自身を除く): 1910783

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1021, 2709, 3063, 7147, 9189, 21441, 43903, 64323, 131709, 307321, 395127, 921963, 2765889]

約数ペア:

[(1, 2765889), (3, 921963), (7, 395127), (9, 307321), (21, 131709), (43, 64323), (63, 43903), (129, 21441), (301, 9189), (387, 7147), (903, 3063), (1021, 2709)]